CVE-2021-20253

6.7 mediumEPSS 0.4%

Medium (6.7) in redhat ansible tower. EPSS 0.4% chance of exploitation in the next 30 days.

A flaw was found in ansible-tower. The default installation is vulnerable to Job Isolation escape allowing an attacker to elevate the privilege from a low privileged user to the awx user from outside the isolated environment. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Severity

CVSS 3.1

6.7 medium

CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 35% of CVEs (scores of 2026-10-31)
CWE: CWE-552
Published: 2021-03-09
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

redhat:ansible_tower

References

https://bugzilla.redhat.com/show_bug.cgi?id=1928847
https://bugzilla.redhat.com/show_bug.cgi?id=1928847

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